.introduce{
    font-size: 0.24rem;
    color: #646464;
}
.imgbox{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top:0.2rem;
}
.imgbox img:first-child{
    width: 3.64rem;
    margin-bottom: 0.64rem;
}
.imgbox img:last-child{
    width: 2rem;
    margin-bottom: 0.2rem;
}
